Sound waves cannot travel through the following:
Gases solids liquids water
What is space
Amount of water vapor in the air.
temperature pressure weather humidity
What is humidity?
This organ pumps blood through your body
What is the heart?
Controlled Experiment model
simulation field study
What is field study?
What is igneous rock?
This force acts against the motion of a pulley.
Electricity Friction Gravity magnetism
What is gravity?
The small rocky planets having few moons are called this.
What are the inner planets?
This gives plants color and also traps sunlight for photosynthesis.
What is clorophyll?
True or False
A representation of some object or event in the real world is a field study.
What is false?
A statement that interprets the data.
What is results?
This is the BEST example of electrical energy being changed to light energy.
lamp sewing machine can opener blender
What is a lamp?
The amount of sunlight reflected on the moon's surface decreases it is known as this type of moon.
What is a waning moon?
An animal that breathes through gills and lives in water when it is young but can live on land and in water when it is older.
What is an amphibian?
"The toy car is beautiful."
What is an opinion?
A detailed list of the supplies and equipment used in an investigation.
What is the materials list?
The large, gaseous planets with multiple moon and ring systems.
What are outer planets?
This is the imaginary line that runs through the center of the Earth from the North to the South pole.
What is axis?
An internal support structure of an animal.
What is an endoskeleton?
filter funnel magnet sifter
What is a magnet?
An educated guess.
What is a hypothesis?
The energy of motion or position
What is mechanical energy?
The breaking down of rocks and minerals by wind, rain and snow.
What is weathering?
A hard outer structure, such as the shell of an insect or crustacean.
What is an exoskeleton?
Sources of information that are used to learn about the problem being investigated.
What are reference materials?
A unit of measure used to describe the distance in space.
What is light year?